API Swing Check Valve
Structure of Cast Steel swing Type check Valve
Large-caliber check valves are provided with lifting rings forThe convenience of hoisting.Bolted bonnet, and the type of middle flange gasket maybe different according to pressure class;CLASS 600 check valve mayadopt pressure self-tightening seal structure,Discs top device to prevent disc from being opened too high,Thus causing failure to be closed down.
Stem Design
Solid pin is precisely installed and provided with high intensity to ensure operational performance and service life of valve.Rocker arm is given enough strength.Upon being closed down it has enough freedom for the close down of valve disc.Valve disc is given enough strength and rigidity.Disc sealingsurface maybe built up welded with metal material or inlaid with nonmetal material responding to users'requests.
Large-caliber check valves are provided with lifting rings forThe convenience of hoisting.Bolted bonnet, and the type of middle flange gasket maybe different according to pressure class;CLASS 600 check valve mayadopt pressure self-tightening seal structure,Discs top device to prevent disc from being opened too high,Thus causing failure to be closed down.
Stem Design
Solid pin is precisely installed and provided with high intensity to ensure operational performance and service life of valve.Rocker arm is given enough strength.Upon being closed down it has enough freedom for the close down of valve disc.Valve disc is given enough strength and rigidity.Disc sealingsurface maybe built up welded with metal material or inlaid with nonmetal material responding to users'requests.
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